Seat back for exercise device



FIG. 1 is a perspective view of my seat back for exercise device;

FIG. 2 is top plan view thereof;

FIG. 3 is a front view thereof with the rear view being a mirror image thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof.

FIG. 6 is a perspective view of an alternative embodiment of my seat back for exercise device;

FIG. 7 is a top plan view of the FIG. 6 embodiment;

FIG. 8 is a front view of the FIG. 6 embodiment with the rear view being a mirror image thereof;

FIG. 9 is a left side elevational view of the FIG. 6 embodiment; and,

FIG. 10 is a right side elevational view of the FIG. 6 embodiment. 

The ornamental design for a seat back for exercise device, as shown and described. 